Journal
PROCEEDINGS OF THE ROYAL SOCIETY B-BIOLOGICAL SCIENCES
Volume 279, Issue 1738, Pages 2497-2509Publisher
ROYAL SOC
DOI: 10.1098/rspb.2012.0434
Keywords
polyploid; palaeopolyploid; whole-genome duplication; hybridization; reticulate evolution
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Polyploidy is a major evolutionary process in eukaryotes-particularly in plants and, to a less extent, in animals, wherein several past and recentwhole-genome duplication events have been described. Surprisingly, the incidence of polyploidy in other eukaryote kingdoms, particularly within fungi, remained largely disregarded by the scientific community working on the evolutionary consequences of polyploidy. Recent studies have significantly increased our knowledge of the occurrence and evolutionary significance of fungal polyploidy. The ecological, structural and functional consequences of polyploidy in fungi are reviewed here and compared with the knowledge acquired with conventional plant and animal models. In particular, the genus Saccharomyces emerges as a relevant model for polyploid studies, in addition to plant and animal models.
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